MCP servers

An MCP server connects an agent to external data and tools over a single protocol: files, databases, APIs and services. This section lists servers with their transport, auth method and environment variables, an install command and an honest read on the risks.

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Official

Microsoft's utility and MCP server that turn PDF, Word, Excel, PowerPoint, HTML and other files into Markdown for models

MCP serverMedium riskNo VPN needed187.4KRepository stars
Official

Local context compression for agents: tool outputs, logs, files and RAG chunks shrink before reaching the LLM. Proxy, CLI, library and MCP

MCP serverHigh risk74KRepository stars
Official

Up-to-date, version-specific library docs and code examples in your agent's context, via MCP or a CLI plus skill

MCP serverMedium risk62.5KRepository stars
Official

Local memory for agents: stores conversations and project files verbatim and retrieves them with semantic search over MCP

MCP serverMedium riskNo VPN needed59.3KRepository stars
Official

The Chrome DevTools team's official MCP server: the agent drives a live Chrome, reads network and console, and records performance traces

MCP serverMedium risk52.7KRepository stars
Official

A self-hosted knowledge base with block-level references and a built-in MCP server for connecting AI agents to your notes

MCP serverMedium risk46.5KRepository stars
Official

A long-term memory system for AI agents: the agent stores experience and facts, then retrieves them through a built-in MCP server

MCP serverHigh risk41KRepository stars
Official

Google's open-source MCP server for databases: ready tools for Postgres, MySQL, BigQuery, Spanner and more, plus custom tools in tools.yaml

MCP serverHigh risk16.5KRepository stars
Official

AWS's official MCP server suite: docs, IaC, containers, serverless, databases, cost and monitoring

MCP serverHigh risk9.7KRepository stars
Official

Official Apify MCP server: the agent runs ready-made Apify Store scrapers for social media, maps, search and shops

MCP serverMedium risk8.9KRepository stars
Official

Official Firecrawl MCP server: web search, page scraping to Markdown, site crawling and in-page actions

MCP serverMedium risk7.5KRepository stars
Official

An MCP server and CLI from Sentry for building, running and testing Xcode iOS and macOS projects from an AI agent

MCP serverMedium riskNo VPN needed6.4KRepository stars
Official

The official draw.io MCP server: an agent builds diagrams from XML or Mermaid and opens them in the draw.io editor

MCP serverMedium riskNo VPN needed5.5KRepository stars
Official

Official Exa MCP server: web search, reading pages as Markdown and multi-step research via Exa Agent

MCP serverMedium risk5.1KRepository stars

Firebase MCP Server

Firebase CLI and MCP Server

Official

Official Firebase MCP server from the Firebase CLI: projects, Firestore, Auth, Crashlytics, Remote Config and function logs

MCP serverHigh riskNeeds a VPN4.5KRepository stars
Official

Cloudflare's set of remote MCP servers: docs, Workers, logs, Radar, browser, DNS and other account services

MCP serverHigh risk4.3KRepository stars
Official

A visualization language for agents and an MCP server: neat charts from a simple semantic spec

MCP serverMedium riskNo VPN needed4.3KRepository stars
Official

Microsoft's official MCP server for Azure: the agent sees subscription resources and works with Azure services on your behalf

MCP serverHigh risk3.7KRepository stars
Official

Laravel's official MCP server, guidelines and skills: the agent sees the DB schema, logs and package versions and searches ecosystem docs

MCP serverMedium risk3.6KRepository stars

Grafana MCP Server

Grafana MCP server

Official

Grafana's official MCP server: dashboards, Prometheus and Loki queries, alerts and incidents straight from the agent

MCP serverHigh riskNo VPN needed3.5KRepository stars
Official

Supabase's official MCP server: the agent manages tables, reads project config and queries data after an OAuth login

MCP serverHigh risk2.9KRepository stars

Perplexity MCP Server

Perplexity API Platform MCP Server

Official

Perplexity's official MCP server: web search, quick answers, reasoning and deep research through the Perplexity API

MCP serverMedium risk2.5KRepository stars
Official

Official Tavily MCP server: real-time web search, page content extraction, site mapping and crawling

MCP serverMedium risk2.4KRepository stars
Official

Microsoft's official MCP server for Azure DevOps: work items, repos, builds, test plans and wikis from your agent

MCP serverHigh risk2KRepository stars

Frequently asked questions

What is an MCP server?

An MCP server connects an agent to external data and tools over a single protocol: files, databases, APIs and services. The agent calls its tools while it works.

How do I connect an MCP server to an agent?

The entry lists how to run it (npx, uvx, docker or a remote URL) and the environment variables. A config snippet goes into the agent settings.

Do I need a key or a paid account?

It depends on the server. Each entry states the auth method and requirements, including paid accounts, in the limitations block.